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自动化学报 2006
DesignofNonlinearDecouplingControllerforDouble-electromagnetSuspensionSystem, PP. 322-328 Keywords: Double-electromagnet,nonlinear,decoupling,suspensioncontroller,feedbacklinearization Abstract: ？Aimingatthecouplingcharacteristicbetweenthetwogroupsofelectromagnetsembeddedinthemoduleofthemaglevtrain,anonlineardecouplingcontrollerisdesigned.Themoduleismodeledasadouble-electromagnetsystem,andbasedonsomereasonableassumptionsitsnonlinearmathematicalmodel,aMIMOcouplingsystem,isderived.Torealizethelinearizationanddecouplingfromtheinputtotheoutput,themodelislinearizedexactlybymeansoffeedbacklinearization,andanequivalentlineardecouplingmodelisobtained.Basedonthelinearmodel,anonlinearsuspensioncontrollerisdesignedusingstatefeedback.Simulationsandexperimentsshowthatthecontrollercaneffectuallysolvethecouplingproblemindouble-electromagnetsuspensionsystem.
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